Standard Number: GB/T 11914-1989
Title: Water quality--Determination of thechemical oxyyen demand--Dichromate method
Language: Simplified Chinese
Publication Date: 1989/11/3
Execute Date: 1990/7/1
Standard Type: Method
International Classification for Standards (ICS)：
Publisher: Chinese Standards(GB)
Number of Pages:4P.;A4
Description:This standard specifies the method for determination of the chemical oxygen demand (cod) in water.
this standard applies to all types of containing the cod value is greater than 30 m g/l samples, without diluting the determination of water samples up to 700 mg/l.
grasp this standard does not apply to contain compound concentrations greater than 1000 mg/l (diluted) of the brine.
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Tile in English: Water quality--Determination of thechemical oxyyen demand--Dichromate method